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Moving average method can be used to make a smooth data series, mostly data having high frequency is treated in this process when it is estimated against annual data so that the chances of heteroskedasticity is reduced....

ROC graph plots the true positives and false positives. It shows the sensitivity and specificity of the data, we locate the point on the line which is nearest to the top left corner of the graph which has highest specificity and sensitivity....

Kolmogorov - Smirnov Test can be used to confirm if the data is normally distributed or not. This test also identifies the presence of outliers. This test also shows the Q - Q plot and Shapiro - Wilk test for normality...